Issued Patents All Time
Showing 76–79 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4627878 | Method of producing porous magnesia clinker | Masaru Shirasaka, Tsunenori Moriyama | 1986-12-09 |
| 4540553 | Desulfurizing agent | Masaru Shirasaka, Hajime Nagayama | 1985-09-10 |
| 4401806 | Process for producing graft copolymer | Takao Iwasaki | 1983-08-30 |
| 4288421 | Process of treating exhaust gas containing nitrogen oxides and sulfur dioxide | Yoshihiko Kudo | 1981-09-08 |